* Get the {@link JavaCompile} task which compiles the Java source files into classes.
     *
     * @return A provider which supplies the feature's {@link JavaCompile} task.
     */
    TaskProvider<JavaCompile> getCompileJavaTask();

    /**
     * Get this feature's backing source set.
     * <p>
     * {@link SourceSet#getOutput()} and the classpath-returning methods on the returned